| 000 | 00413nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 170901s1971 xx 000 0 und d | ||
| 082 |
_a622 _bS28M |
||
| 100 | _aSemenov, O | ||
| 245 | 0 | _aMining Practice | |
| 260 |
_aMoscow _bMIR Publishers _c1971 |
||
| 300 | _a254 | ||
| 650 | _aEngineering and allied operations | ||
| 650 | _aTechnology (Applied sciences) | ||
| 653 | _aMining engineering | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c11848 _d11848 |
||